阅读说明：本技术 塔筒段、塔架及风力发电机组 (Tower section of thick bamboo, pylon and wind generating set ) 是由 刘金磊 张克 韩军杰 于 2019-03-20 设计创作，主要内容包括：本发明涉及一种塔筒段、塔架及风力发电机组,塔筒段,包括：塔段本体；加强组件,包括与塔段本体连接的支撑件以及连接于支撑件的多根加强索,多根加强索沿塔段本体的周向彼此间隔设置,各加强索均沿塔段本体的轴向延伸并在塔段本体的径向上分别与塔段本体的外周表面相距预定距离。本发明实施例提供一种塔筒段、塔架及风力发电机组,塔筒段的承载能力强,成本低廉,能够满足风力发电机组的发电效益。(The invention relates to a tower tube section, a tower frame and a wind generating set, wherein the tower tube section comprises: a tower section body; the reinforcing assembly comprises a supporting piece connected with the tower section body and a plurality of reinforcing cables connected to the supporting piece, the reinforcing cables are arranged at intervals along the circumferential direction of the tower section body, and each reinforcing cable extends along the axial direction of the tower section body and is respectively away from the outer peripheral surface of the tower section body by a preset distance in the radial direction of the tower section body. The embodiment of the invention provides a tower cylinder section, a tower frame and a wind generating set.)

1. A tower segment (100), comprising:

a tower section body (10);

a reinforcing assembly (20) comprising a support (21) connected with the tower section body (10) and a plurality of reinforcing cables (22) connected with the support (21), wherein the plurality of reinforcing cables (22) are arranged at intervals along the circumferential direction (X) of the tower section body (10), and each reinforcing cable (22) extends along the axial direction (Y) of the tower section body (10) and is respectively spaced from the outer peripheral surface (13) of the tower section body (10) at a preset distance in the radial direction (Z) of the tower section body (10).

2. The tower segment (100) of claim 1, wherein the support member (21) comprises two or more support plates (211) spaced apart in the axial direction (Y) and connected to the tower segment body (10), each support plate (211) comprising a stack portion (2112) connected to the tower segment body (10) in a stacked manner and a protrusion (2111) connected to the stack portion (2112) and protruding from the tower segment body (10) in the radial direction (Z), the reinforcing cables (22) being connected to the protrusion (2111).

3. The tower segment (100) of claim 2, characterised in that a plurality of attachment locations (2113) are provided on the protrusion (2111), the reinforcing cord (22) being attached to the protrusion (2111) via the attachment locations (2113).

4. The tower segment (100) according to claim 3, wherein the plurality of connecting sites (2113) are divided into two or more groups of connecting sites spaced apart in the radial direction (Z), the connecting sites (2113) included in each group of connecting sites are spaced apart in the circumferential direction (X) of the support plate (211), and a plurality of reinforcing cables (22) are associated with and connected to some or all of the connecting sites (2113) of at least one group of connecting sites.

5. A tower segment (100) according to claim 3, characterised in that the attachment locations (2113) are through-going holes through the support plate (211) in the axial direction (Y), each of which is provided with a locking element (212) for securing the reinforcing cables (22) to the attachment locations (2113).

6. The tower segment (100) of claim 5, wherein each locking member (212) comprises more than two locking nuts (2121), at least two of the locking nuts (2121) being disposed opposite to each other in the axial direction (Y) on both sides of the protrusion (2111) and being in threaded connection with the reinforcing cord (22);

alternatively, the retaining member (212) includes two or more arcuate locking plugs (2122), and the two or more arcuate locking plugs (2122) are joined to each other to form a tapered loop and extend at least partially into the connection location (2113) to clampingly secure the reinforcing cord (22).

7. Tower segment (100) according to claim 5, characterized in that a shielding sleeve (2117) is detachably connected to the inside of at least one of said connection locations (2113), said shielding sleeve (2117) extending in said axial direction (Y).

8. The tower segment (100) of claim 3, wherein the attachment locations (2113) are ear sockets having a shaft (2114), the reinforcing cables (22) being rotatably connected to the shaft (2114).

9. The tower segment (100) of claim 2, wherein at least one of the support plates (211) further comprises a notch (2116), the notch (2116) being arranged opposite the tab (2111) in the radial direction (Z) and being connected to the stack (2112), the notch (2116) at least partially protruding from the stack (2112) in the axial direction (Y).

10. The tower segment (100) of claim 9, wherein the limiter portion (2116) is a closed ring extending in the circumferential direction (X);

or the limiting part (2116) comprises a plurality of limiting single bodies (2116a) which are arranged at intervals around the axis of the tower section body (10) and are respectively connected with the laminated part (2112), and at least one end of each limiting single body (2116a) in the axial direction (Y) protrudes out of the laminated part (2112).

11. The tower segment (100) of claim 2, characterised in that the protrusion (2111) is a closed ring body extending in the circumferential direction (X);

or the protruding portion (2111) comprises a plurality of connecting single bodies (2111a) which are arranged at intervals around the axis of the tower section body (10) and are respectively connected with the laminated portion (2112), and at least one connecting position (2113) is arranged on each connecting single body (2111 a).

12. The tower segment (100) of claim 2, characterised in that the tower segment body (10) comprises a segment cylinder (11), and the support (21) comprises two support plates (211) arranged at intervals along the axial direction (Y), wherein one support plate (211) is connected to one end of the segment cylinder (11) in the axial direction (Y), and the other support plate (211) is connected to the other end of the segment cylinder (11) in the axial direction (Y).

13. The tower segment (100) of claim 2, characterised in that the tower segment body (10) comprises more than two segments of cylinders (11) stacked in the axial direction (Y);

the support piece (21) comprises a plurality of support plates (211) which are arranged at intervals along the axial direction (Y), the support plates (211) are arranged on the surfaces, away from each other, of the two barrel bodies (11) on the outermost side in the axial direction (Y), and one support plate (211) is clamped between every two adjacent barrel bodies (11);

each reinforcing cable (22) comprises rod units (222) with the same number as the barrels (11), a plurality of rod units (222) are arranged on the periphery of each barrel (11) at intervals, and the rod units (222) arranged around the same barrel (11) are connected with the convex parts (2111) of the supporting plates (211) at two ends of the barrel (11).

14. The tower segment (100) of claim 13, wherein the rod units (222) at the periphery of one of two adjacent cylinders (11) are arranged in a one-to-one correspondence with the rod units (222) at the periphery of the other cylinder or staggered with each other.

15. The tower segment (100) of claim 2, wherein at least one of the support plates (211) of the two or more support plates (211) comprises a plurality of arc-shaped plates (211a), the plurality of arc-shaped plates (211a) being mutually spliced in the circumferential direction (X).

16. A tower (1) connected to a wind turbine foundation (2), said tower (1) comprising: -two or more tower segments (100), wherein two or more tower segments (100) are stacked on top of each other and the tower segment (100) located outermost in the stacking direction is connectable to the wind turbine foundation (2), and wherein at least one tower segment (100) is a tower segment (100) according to any one of claims 1 to 15.

17. A tower (1) according to claim 16, characterized in that said tower (1) further comprises a plurality of diagonal draw bars (31), one end of said plurality of diagonal draw bars (31) being connected with said support (21), the other end of said plurality of diagonal draw bars (31) being connected with said wind turbine foundation (2) and/or tie rod foundation.

18. A wind park comprising a tower (1) according to claim 16 or 17.

Technical Field

The invention relates to the technical field of wind power, in particular to a tower barrel section, a tower and a wind generating set.

Background

The wind generating set is equipment for converting wind energy into electric energy, and the tower barrel is a main body component for supporting the whole wind driven generator and is a foundation of the wind generating set. With the development of the technical field of wind power, wind generating sets gradually develop to a larger megawatt level, and the load bearing capacity of a corresponding tower needs to be improved.

Disclosure of Invention

The embodiment of the invention provides a tower cylinder section, a tower frame and a wind generating set.

In one aspect, a tower segment is provided according to an embodiment of the present disclosure, including: a tower section body; the reinforcing assembly comprises a supporting piece connected with the tower section body and a plurality of reinforcing cables connected to the supporting piece, the reinforcing cables are arranged at intervals along the circumferential direction of the tower section body, and each reinforcing cable extends along the axial direction of the tower section body and is respectively away from the outer peripheral surface of the tower section body by a preset distance in the radial direction of the tower section body.

According to an aspect of an embodiment of the invention, the reinforcing cables extend in a direction parallel to the axial direction of the tower section body.

According to one aspect of the embodiment of the invention, the support comprises more than two support plates which are arranged at intervals along the axial direction and are respectively connected with the tower section body, each support plate comprises a laminated part which is laminated with the tower section body and a bulge which is connected with the laminated part and protrudes out of the tower section body in the radial direction, and the reinforcing cables are connected with the bulges.

According to an aspect of an embodiment of the invention, the protrusion is provided with a plurality of connection locations, and the reinforcing cord is connected to the protrusion through the connection locations.

According to an aspect of the embodiment of the present invention, the plurality of connection sites are divided into more than two groups of connection sites arranged at intervals in the radial direction, the connection sites included in each group of connection sites are arranged at intervals in the circumferential direction of the support plate, and the plurality of reinforcing cables are in one-to-one correspondence with and connected to part or all of the connection sites of at least one group of connection sites.

According to an aspect of the embodiment of the present invention, the connection site is a through hole axially penetrating the support plate, and a locking member is provided at each through hole to fix the reinforcing cord to the connection site.

According to an aspect of the embodiment of the present invention, each of the locking members includes more than two locking nuts, at least two of which are oppositely disposed in the axial direction at both sides of the protrusion and are threadedly coupled with the reinforcing cords; or the locking piece comprises more than two arc-shaped locking plugs which are spliced with each other to form a tapered ring body, and at least part of the tapered ring body extends into the connecting position so as to clamp and fix the reinforcing cable.

According to an aspect of an embodiment of the invention, a protective sleeve is detachably connected to the inside of the at least one connection site, the protective sleeve extending in an axial direction.

According to one aspect of an embodiment of the invention, the connection site is an ear mount having a shaft, and the reinforcement cable is rotatably connected to the shaft.

According to an aspect of the embodiment of the present invention, the at least one support plate further includes a stopper portion provided opposite to the protruding portion in a radial direction and connected to the laminated portion, the stopper portion protruding at least partially from the laminated portion in an axial direction.

According to an aspect of the embodiment of the present invention, the stopper portion is a closed ring body extending in the circumferential direction; or, spacing portion includes a plurality of spacing monomers that encircle the axis interval setting of tower section body jointly and be connected with range upon range of portion respectively, and at least one end protrusion in range upon range of portion of each spacing monomer in the axial.

According to an aspect of an embodiment of the present invention, the projection is a closed ring body extending in the circumferential direction; or the bulge comprises a plurality of connection single bodies which are arranged at intervals around the axis of the tower section body and are respectively connected with the laminated part, and each connection single body is provided with at least one connection position.

According to one aspect of the embodiment of the invention, the tower section body comprises a section of cylinder, and the support member comprises two support plates arranged at intervals along the axial direction, wherein one support plate is connected to one end of the cylinder in the axial direction, and the other support plate is connected to the other end of the cylinder in the axial direction.

According to one aspect of the embodiment of the invention, the tower section body comprises more than two sections of cylinders which are stacked in the axial direction; the supporting piece comprises a plurality of supporting plates which are arranged at intervals along the axial direction, the supporting plates are arranged on the surfaces, far away from each other, of the two cylinders on the outermost side in the axial direction, and one supporting plate is clamped between every two adjacent cylinders; each reinforcing cable comprises rod units the same as the barrels in number, a plurality of rod units are arranged at intervals on the periphery of each barrel, and the rod units arranged around the same barrel are connected with the protruding parts of the supporting plates at the two ends of the barrel.

According to an aspect of the embodiment of the present invention, the rod units on the outer periphery of one of the two adjacent cylinders are arranged in one-to-one correspondence with the rod units on the outer periphery of the other cylinder or are arranged in a staggered manner.

According to one aspect of the embodiment of the invention, at least one of the two or more support plates comprises a plurality of arc-shaped plates which are mutually spliced along the circumferential direction.

In another aspect, a tower connected to a wind turbine foundation is provided according to an embodiment of the present invention, where the tower includes: the tower section of tower section more than two, tower section of tower section more than two range upon range of each other and lie in the outermost side in range upon range of orientation can be connected with the fan basis, and wherein, at least one tower section is foretell tower section.

According to another aspect of the embodiment of the invention, the tower further comprises a plurality of diagonal draw bars, one ends of the plurality of diagonal draw bars are connected with the supporting piece, and the other ends of the plurality of diagonal draw bars are connected with the fan foundation and/or the pull rod foundation.

In a further aspect, there is provided a wind park according to an embodiment of the invention, comprising a tower as described above.

According to the tower section, the tower and the wind generating set provided by the embodiment of the invention, the tower section comprises a tower section body and a reinforcing assembly, wherein the reinforcing assembly comprises a supporting piece connected with the tower section body and a plurality of reinforcing cables connected with the supporting piece. Because many strengthening cables set up and each strengthening cable all extends along the axial of tower section body each other at intervals along the circumference of tower section body, when the tower section is using to the tower section and bearing load, the load that acts on the tower section body can transmit to many strengthening cables through support piece, shares the tower section body through many strengthening cables and bears load jointly, and then improves the holistic bearing capacity of tower section. And the radial direction of restricting the tower section body is respectively apart from the tower section body by a predetermined distance, so that the tower section body and the reinforcing component can be separately processed, the original structure of the tower section body cannot be damaged, and the processing difficulty and the processing cost can be reduced on the premise of improving the bearing capacity of the tower section.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a wind turbine generator system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a tower according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a tower section according to one embodiment of the present invention;

FIG. 4 is a schematic structural view of a support plate according to a first embodiment of the present invention;

FIG. 5 is a schematic view of the attachment of a reinforcing cord to a connection site in accordance with one embodiment of the present invention;

FIG. 6 is a schematic view of the attachment of a reinforcing cable to an attachment site in accordance with another embodiment of the present invention;

FIG. 7 is a schematic structural view of a retaining member according to one embodiment of the present invention;

FIG. 8 is a schematic structural view of a support plate according to a second embodiment of the present invention;

FIG. 9 is a schematic view of the attachment of a reinforcing cable to an attachment site in accordance with yet another embodiment of the present invention;

FIG. 10 is a schematic view of the attachment of a reinforcing cord to an attachment site in accordance with yet another embodiment of the present invention;

FIG. 11 is a partial schematic view of a reinforcing cord according to one embodiment of the present invention;

FIG. 12 is a schematic view of the attachment of a reinforcing cord to a rigging turnbuckle according to an embodiment of the present invention;

FIG. 13 is a schematic view of the attachment of a reinforcing cord to a rigging turnbuckle according to another embodiment of the present invention;

FIG. 14 is a schematic structural view of a support plate according to a third embodiment of the present invention;

FIG. 15 is a schematic structural view of a support plate according to a fourth embodiment of the present invention;

FIG. 16 is a schematic structural view of a support plate according to a fifth embodiment of the present invention;

FIG. 17 is a partial cross-sectional view of a support plate and tower section body attachment of an embodiment of the present invention;

FIG. 18 is a schematic structural view of a support plate according to a sixth embodiment of the present invention;

FIG. 19 is a schematic structural view of a support plate according to a seventh embodiment of the present invention;

FIG. 20 is a schematic structural view of a support plate according to an eighth embodiment of the present invention;

FIG. 21 is a schematic structural view of a support plate of a ninth embodiment of the present invention;

FIG. 22 is a schematic structural view of a tower section according to another embodiment of the present invention;

FIG. 23 is a schematic partial structural view of a tower section of yet another embodiment of the present invention;

FIG. 24 is a schematic partial structural view of a tower section in accordance with yet another embodiment of the present invention;

FIG. 25 is a schematic structural view of a tower according to another embodiment of the present invention;

FIG. 26 is a schematic structural view of a tower according to yet another embodiment of the present invention.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. The following description is given with the directional terms as they are used in the drawings and is not intended to limit the specific configurations of the tower sections, towers and wind turbine generator systems of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

For a better understanding of the invention, a tower section, a tower and a wind park according to embodiments of the invention are described in detail below with reference to fig. 1 to 26.

Referring to fig. 1 and 2, fig. 1 shows a schematic structural diagram of a wind generating set according to an embodiment of the invention, and fig. 2 shows a schematic structural diagram of a tower according to an embodiment of the invention.

The embodiment of the invention provides a wind generating set, which mainly comprises a fan foundation 2, a tower 1, a cabin 3, a generator (not shown) and an impeller 4, wherein the tower 1 is connected with the fan foundation 2, the cabin 3 is arranged at the top end of the tower 1, and the generator is arranged in the cabin 3. The impeller 4 comprises a hub 401 and a plurality of blades 402 connected to the hub 401, and the impeller 4 is connected to the rotating shaft of the generator through the hub 401. When wind acts on the blades 402, the whole impeller 4 and the rotating shaft of the generator are driven to rotate, and the power generation requirement of the wind generating set is further met.

As can be known from the structural introduction of the wind turbine generator system, heavy equipment such as the nacelle 3, the generator, the impeller 4 and the like are supported above the tower frame 1, when the wind turbine generator system is high in height or large in megawatt level, the tower frame 1 has a higher requirement for the bearing capacity of the tower frame 1, in order to better meet the requirement, the embodiment of the invention further provides the tower frame 1 which can be used for the wind turbine generator system, the tower frame 1 comprises more than two tower cylinder sections 100, the more than two tower cylinder sections 100 are stacked, and the tower cylinder section 100 located at the bottommost side in the stacking direction can be connected with the fan foundation 2.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a tower section according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a support plate according to a first embodiment of the present invention. In order to better improve the overall load bearing capacity of the tower 1, the embodiment of the invention also provides a new tower segment 100, and the tower segment 100 has better load bearing capacity. As shown in FIG. 3, the tower segment 100 provided by the embodiment of the present invention includes a tower segment body 10 and a reinforcing assembly 20, wherein the tower segment body 10 is a cylindrical structural body. The reinforcing assembly 20 includes a support 21 connected to the tower segment body 10 and a plurality of reinforcing cables 22 connected to the support 21, the plurality of reinforcing cables 22 are spaced apart from each other along a circumferential direction X of the tower segment body 10, and each reinforcing cable 22 extends along an axial direction Y of the tower segment body 10 and is spaced apart from the outer circumferential surface 13 of the tower segment body 10 by a predetermined distance in a radial direction Z of the tower segment body 10.

The tower section 100 provided by the embodiment of the invention has strong bearing capacity and low cost, and can meet the power generation benefit of a wind generating set.

With continued reference to fig. 3 and 4, in some alternative examples, the tower section body 10 is a cylindrical structure, and may include a cylindrical body 11, and flanges 12 are connected to two ends of the cylindrical body 11. The above-mentioned predetermined distance is the minimum distance from the outer circumferential surface of each reinforcing cable 22 to the outer circumferential surface of the tubular body 11 in the radial direction Z of the tower segment body 10. Optionally, the predetermined distance is greater than zero.

For the convenience of connection between the support plate 211 and the tower segment body 10, at least a portion of the support plate 211 and the tower segment body 10 are stacked on each other in the axial direction Y of the tower segment body 10, for convenience of description, a portion where the support plate 211 and the tower segment body 10 are stacked on each other is referred to as a stacked portion 2112, and the stacked portion 2112 is provided with a through hole 2115 penetrating in the axial direction Y, so that the stacked portion 2112 of the support plate 211 and the flange 12 at the end of the cylinder 11 are connected and fixed by a fastening member such as a bolt.

In some alternative embodiments, in order to facilitate the interconnection of the reinforcing cables 22 with the support plates 211 of the support 21, the protrusion 2111 of each support plate 211 is provided with a plurality of attachment locations 2113, and each reinforcing cable 22 is connected to the protrusion 2111 of the corresponding support plate 211 through its corresponding attachment location 2113.